TOP PHOTOS: Oct. 3, 2013

Texas quarterback Case McCoy, center, walks onto the field with teammates to warm up before an NCAA college football game against Iowa State, Thursday, Oct. 3, 2013, in Ames, Iowa. (AP Photo/Charlie Neibergall)

A damaged Capitol Hill police care is surrounded by crime scene tape after a car chase and shooting on Capitol Hill in Washington, Thursday, Oct. 3, 2013. A woman driving a black Infiniti with a young child inside tried to ram through a White House barricade Thursday, then led police on a chase that ended in gunfire outside the Capitol, witnesses and officials said. (AP Photo/ Evan Vucci)

A U.S. Park Police helicopter is loaded on the Mall in Washington, Thursday, Oct. 3, 2013, with a victim from a shooting. Police say the U.S. Capitol has been put on a security lockdown amid reports of possible shots fired outside the building. (AP Photo/Alex Brandon)

Sen. John Boozman, R-Ark., leads a tour in the Rotunda on Capitol Hill in Washington,Thursday, Oct. 3, 2013. Congressional staffers and interns usually lead constituent tours, but due to the federal government shutdown members of Congress have begun to lead tour groups from their home states. (AP Photo/ Evan Vucci)

A Pakistani fisherman throws out his net in the Swat river in Mingora, Swat Valley, Pakistan, Thursday, Oct. 3, 2013. The Pakistan military continues to provide security for years after driving the Taliban out of the idyllic Swat Valley. Most residents fear the return of the Taliban if the army pulls out. (AP Photo/Anja Niedringhaus)

In this Monday, Sept. 30, 2013 photo, Syrian construction workers set up the foundations of a building in Beirut, Lebanon. Lebanonís market is flooded with Syrian refugees in desperate need of work, their cheap labor force posing an additional problem to the Lebanese economy that has struggled with billions of losses from spillover effects of the Syrian conflict. (AP Photo/Bilal Hussein)

A baby Bornean orangutan is nestled next to its mother at a zoo in Singapore Thursday, Oct. 3, 2013. The Singapore Zoo is renowned for its flagship animal, the orangutan, and exhibits both the endangered Bornean and critically endangered Sumatran sub-species in a social setting. The zoo is also known for its efforts in promoting and educating the public about the importance of wildlife conservation through its educational programs and through the breeding of these endangered species. To date, there have been 41 orangutan births in the last 40 years at the Singapore Zoo. (AP Photo/Wong Maye-E)

Turtles known as "charapas" swim in a tank as part of a demonstration during the inauguration of the village of Comunidad del Milenio in the area known as Playas de Cuyabeno in Ecuador's Amazon, Tuesday, Oct. 1, 2013. The turtles were part of a business proposal to the government by members of the Secoyas Indian community to breed turtles to sell for food. The government inaugurated this village on Tuesday that was built from zero for indigenous people from the Sionas and Secoyas communities who already lived in the area. (AP Photo/Dolores Ochoa)

A police officer yells at photographers to stop taking pictures of clashes with demonstrators who are marking the anniversary of the Tlatelolco massacre in Mexico City, Wednesday, Oct. 2, 2013. Mexico commemorated the 45th anniversary of the massacre of students holding an anti-government protest, killed by men with guns and soldiers in 1968, days before the Summer Olympics celebrations in Mexico City. (AP Photo/Eduardo Verdugo)